153 Answered Questions for the topic Domain

Domain

11/11/14

Domain Question

Greg is going into business selling homemade blankets.The supplies for each blanket cost him $3.00, and he wants to earn at least $17.00 for each blanket to compensate for his time. The domain for... more
Domain Square Root

10/28/14

find domain if f(x)=sqrt(-2x-6)

I cannot for the life of me figure this problem out and i cannot find an example like this in my math book. Please help! I need to know how to work this problem.

10/06/14

What values, if any, are excluded from the domain of the function?

1. f (x) = 3x + 2 3. G (x) = x² + 1 7. H (x) = x² - x + 1 9. f (x) = (2x - 5) / 3 13. F (x) = (x - 2) / 2   My math book, in the answer sheet says that "none" is the answer for all these... more

10/02/14

what's amplitude and period for domain and range and how do you find the turning point of a Sine cos and tan graph?

what's amplitude and period for domain and range and how do you find the turning point/point of inflection of  Sine cos and tan graphs?

09/08/14

I can't seem to solve this problem. Can someone please help me and show me how to solve this!? IM SO LOST

Roma conducts an experiment in which he measures the height of a person and their weight. He sets the independent variable to be height (in inches) and the dependent variable to be weight (in... more
Domain Formula Gofg

05/18/14

Find the formula and domain of H

Suppose that  f(x)= 5x2+8x and  g(x)=5x-5   For each function h given below, find a formula for h(x) and the domain of h in interval notation A) h(x)= (fοg)(x)    h(x)=    domain= B)... more

05/18/14

Find the domain in interval notation

What is the domain in interval notation of  y=ln(x^2-1x-20)  

05/18/14

Use interval notation to indicate the domain of F(x)

f(x)= 4√(x^2-8x) find the domain in interval notation 

asymptote help

Let f(x)= 2x-18                x-5 a) state the domain b) state the horizontal asymptote. c) state the vertical asymptote(s).   

domain and range

What is the domain and the range  of f(x)=3x+4

04/27/14

Domain, x-intercepts, y intercepts

Let  P(x)=-2x^4+2x^3+12x^2 When factored, P(x)= -2x^2(x+2)(x-3) (a).State the domain. (b) State the x-intercepts: (c) State the y-intercept:

function help please

Let f(x)=   6x^2-6                     x^2-7x+10 (a) Write f(x) with the numerator and denominator completely factored. (b) State the domain. (c) State the vertical asymptote(s). (d) State... more

04/14/14

Determine the domain

Determine the domain of the functions show work   a) f(x)= 1/x^3   b) f(x)= (x+4)^2/4x-3   c) f(x)= x^2+3x-10/x^2=2x

State the domain of the quotient

State the domain of the quotient f / g where f(x)=x-3 and g(x)=√x-1  Explain and show work 
Domain

02/02/14

g(x)-4x^2-5

i want to know the implied domain of the function 
Domain

12/04/13

find the domain

(d) Find the domain of the function   f(x)=ln(8−2^x2)

(FIRST PART ALREADY ANSWERED AND NEW PART ADDED) Why do you find the domain of both the numerator and denominator in a rational equation? When do you do it?

For example, if you had:   x-3 ------ 5x+3   you'd only find the domain and use the denominator. Why wouldn't you also do the numerator?    And then you'd use both the  numerator and the... more

10/16/13

Find the domain of each function.

Find the domain of each function.   1.) f(x)=(x^2-4x+3)/(x-1)2.) g(x)=(x^2-4)(x-3)/(x^2-x-6)3.) F(x)=(x^3-2x^2)/(x-2)4.) G(x)=√(x-1)5.) f(x)=3/√(x-4)

Find the domain of the rational function please

Find the domain of the rational expression (Show all work)   R(x)= -7-6x/x^3-5x^2+6x
Domain

09/30/13

domain and function

find the domain and the range of function of h(x) = √(x) +6   (where x is being square rooted and 6 is not) 
Domain

09/30/13

domain and range

find the domain and the range of the function h(x) = √x +6 
Domain

09/24/13

domain interval notation

use interval notation to indicate the domain of f(x)   f(x) 4 sqrt x2-6x
Domain

09/24/13

interval notation

use interval notation to indicate the domain of f(x)   f(x)= x-4/ x^2-7x-8
Domain

09/23/13

give the domain and range

give the domain and the range of f(x) = 1/x^2-8
Domain

06/30/13

How to find the domain of a function?

How ado you find the domain? f(x)=3√(x+5)+7√(x-1)

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